Garmin Inreach Mini 2

This compact, rugged satellite communicator tracks your position and supports two-way text messaging at the surface. It can trigger an interactive SOS to Garmin Response, a 24/7 staffed monitoring center. Use the Garmin Explore app for additional trip planning and access to downloadable maps. Optional water-resistant housing allows the in Reach to accompany divers to 330 feet.

$349.99 (inReach), $79.99 (housing) | garmin.com